Medicare in Wisconsin by county

Most people with Medicare

Across Wisconsin, 1,376,185 people had Medicare in July 2026, 57% of them in Medicare Advantage or another Medicare health plan. The counties with the most:

1. Milwaukee County 165,928 with Medicare · 68% in Medicare Advantage · 25 Advantage plans with drug coverage
2. Waukesha County 106,698 with Medicare · 60% in Medicare Advantage · 25 Advantage plans with drug coverage
3. Dane County 106,295 with Medicare · 39% in Medicare Advantage · 20 Advantage plans with drug coverage
4. Brown County 57,500 with Medicare · 71% in Medicare Advantage · 25 Advantage plans with drug coverage
5. Racine County 46,959 with Medicare · 63% in Medicare Advantage · 25 Advantage plans with drug coverage
6. Outagamie County 42,701 with Medicare · 73% in Medicare Advantage · 25 Advantage plans with drug coverage
7. Winnebago County 38,255 with Medicare · 72% in Medicare Advantage · 25 Advantage plans with drug coverage
8. Rock County 37,895 with Medicare · 49% in Medicare Advantage · 15 Advantage plans with drug coverage
9. Washington County 34,879 with Medicare · 64% in Medicare Advantage · 25 Advantage plans with drug coverage
10. Kenosha County 34,321 with Medicare · 54% in Medicare Advantage · 18 Advantage plans with drug coverage

All 72 counties, A to Z

• Adams County7,614 with Medicare · 49% in Medicare Advantage · 14 Advantage plans with drug coverage
• Ashland County4,527 with Medicare · 44% in Medicare Advantage · 7 Advantage plans with drug coverage
• Barron County13,776 with Medicare · 53% in Medicare Advantage · 6 Advantage plans with drug coverage
• Bayfield County5,931 with Medicare · 43% in Medicare Advantage · 2 Advantage plans with drug coverage
• Brown County57,500 with Medicare · 71% in Medicare Advantage · 25 Advantage plans with drug coverage
• Buffalo County3,764 with Medicare · 39% in Medicare Advantage · 11 Advantage plans with drug coverage
• Burnett County6,312 with Medicare · 49% in Medicare Advantage · 7 Advantage plans with drug coverage
• Calumet County9,495 with Medicare · 73% in Medicare Advantage · 23 Advantage plans with drug coverage
• Chippewa County16,629 with Medicare · 50% in Medicare Advantage · 7 Advantage plans with drug coverage
• Clark County7,756 with Medicare · 61% in Medicare Advantage · 8 Advantage plans with drug coverage
• Columbia County15,306 with Medicare · 43% in Medicare Advantage · 20 Advantage plans with drug coverage
• Crawford County4,751 with Medicare · 32% in Medicare Advantage · 5 Advantage plans with drug coverage
• Dane County106,295 with Medicare · 39% in Medicare Advantage · 20 Advantage plans with drug coverage
• Dodge County21,619 with Medicare · 55% in Medicare Advantage · 22 Advantage plans with drug coverage
• Door County11,428 with Medicare · 48% in Medicare Advantage · 12 Advantage plans with drug coverage
• Douglas County11,660 with Medicare · 63% in Medicare Advantage · 4 Advantage plans with drug coverage
• Dunn County10,528 with Medicare · 47% in Medicare Advantage · 7 Advantage plans with drug coverage
• Eau Claire County23,045 with Medicare · 48% in Medicare Advantage · 8 Advantage plans with drug coverage
• Florence County1,752 with Medicare · 51% in Medicare Advantage · 17 Advantage plans with drug coverage
• Fond du Lac County24,760 with Medicare · 69% in Medicare Advantage · 24 Advantage plans with drug coverage
• Forest County2,941 with Medicare · 52% in Medicare Advantage · 25 Advantage plans with drug coverage
• Grant County12,409 with Medicare · 50% in Medicare Advantage · 4 Advantage plans with drug coverage
• Green County9,615 with Medicare · 35% in Medicare Advantage · 19 Advantage plans with drug coverage
• Green Lake County5,878 with Medicare · 66% in Medicare Advantage · 12 Advantage plans with drug coverage
• Iowa County6,305 with Medicare · 36% in Medicare Advantage · 15 Advantage plans with drug coverage
• Iron County2,330 with Medicare · 56% in Medicare Advantage · 8 Advantage plans with drug coverage
• Jackson County5,104 with Medicare · 45% in Medicare Advantage · 7 Advantage plans with drug coverage
• Jefferson County19,510 with Medicare · 45% in Medicare Advantage · 15 Advantage plans with drug coverage
• Juneau County7,535 with Medicare · 40% in Medicare Advantage · 9 Advantage plans with drug coverage
• Kenosha County34,321 with Medicare · 54% in Medicare Advantage · 18 Advantage plans with drug coverage
• Kewaunee County5,461 with Medicare · 70% in Medicare Advantage · 24 Advantage plans with drug coverage
• La Crosse County26,888 with Medicare · 51% in Medicare Advantage · 9 Advantage plans with drug coverage
• Lafayette County4,032 with Medicare · 43% in Medicare Advantage · 8 Advantage plans with drug coverage
• Langlade County6,311 with Medicare · 65% in Medicare Advantage · 11 Advantage plans with drug coverage
• Lincoln County8,773 with Medicare · 61% in Medicare Advantage · 8 Advantage plans with drug coverage
• Manitowoc County22,536 with Medicare · 65% in Medicare Advantage · 25 Advantage plans with drug coverage
• Marathon County32,152 with Medicare · 65% in Medicare Advantage · 13 Advantage plans with drug coverage
• Marinette County14,240 with Medicare · 67% in Medicare Advantage · 25 Advantage plans with drug coverage
• Marquette County5,480 with Medicare · 55% in Medicare Advantage · 23 Advantage plans with drug coverage
• Menominee County959 with Medicare · 63% in Medicare Advantage · 22 Advantage plans with drug coverage
• Milwaukee County165,928 with Medicare · 68% in Medicare Advantage · 25 Advantage plans with drug coverage
• Monroe County10,798 with Medicare · 40% in Medicare Advantage · 13 Advantage plans with drug coverage
• Oconto County11,062 with Medicare · 74% in Medicare Advantage · 18 Advantage plans with drug coverage
• Oneida County13,724 with Medicare · 51% in Medicare Advantage · 10 Advantage plans with drug coverage
• Outagamie County42,701 with Medicare · 73% in Medicare Advantage · 25 Advantage plans with drug coverage
• Ozaukee County24,663 with Medicare · 56% in Medicare Advantage · 25 Advantage plans with drug coverage
• Pepin County2,320 with Medicare · 41% in Medicare Advantage · 7 Advantage plans with drug coverage
• Pierce County9,692 with Medicare · 51% in Medicare Advantage · 3 Advantage plans with drug coverage
• Polk County13,110 with Medicare · 51% in Medicare Advantage · 7 Advantage plans with drug coverage
• Portage County16,545 with Medicare · 55% in Medicare Advantage · 22 Advantage plans with drug coverage
• Price County5,046 with Medicare · 53% in Medicare Advantage · 6 Advantage plans with drug coverage
• Racine County46,959 with Medicare · 63% in Medicare Advantage · 25 Advantage plans with drug coverage
• Richland County4,692 with Medicare · 31% in Medicare Advantage · 5 Advantage plans with drug coverage
• Rock County37,895 with Medicare · 49% in Medicare Advantage · 15 Advantage plans with drug coverage
• Rusk County4,546 with Medicare · 58% in Medicare Advantage · 7 Advantage plans with drug coverage
• Sauk County16,228 with Medicare · 38% in Medicare Advantage · 13 Advantage plans with drug coverage
• Sawyer County6,527 with Medicare · 48% in Medicare Advantage · 6 Advantage plans with drug coverage
• Shawano County10,750 with Medicare · 72% in Medicare Advantage · 28 Advantage plans with drug coverage
• Sheboygan County29,477 with Medicare · 61% in Medicare Advantage · 27 Advantage plans with drug coverage
• St. Croix County19,863 with Medicare · 49% in Medicare Advantage · 2 Advantage plans with drug coverage
• Taylor County5,089 with Medicare · 64% in Medicare Advantage · 7 Advantage plans with drug coverage
• Trempealeau County7,328 with Medicare · 49% in Medicare Advantage · 14 Advantage plans with drug coverage
• Vernon County7,989 with Medicare · 44% in Medicare Advantage · 5 Advantage plans with drug coverage
• Vilas County9,487 with Medicare · 46% in Medicare Advantage · 9 Advantage plans with drug coverage
• Walworth County25,906 with Medicare · 47% in Medicare Advantage · 12 Advantage plans with drug coverage
• Washburn County6,583 with Medicare · 51% in Medicare Advantage · 6 Advantage plans with drug coverage
• Washington County34,879 with Medicare · 64% in Medicare Advantage · 25 Advantage plans with drug coverage
• Waukesha County106,698 with Medicare · 60% in Medicare Advantage · 25 Advantage plans with drug coverage
• Waupaca County15,629 with Medicare · 71% in Medicare Advantage · 27 Advantage plans with drug coverage
• Waushara County7,577 with Medicare · 69% in Medicare Advantage · 22 Advantage plans with drug coverage
• Winnebago County38,255 with Medicare · 72% in Medicare Advantage · 25 Advantage plans with drug coverage
• Wood County21,011 with Medicare · 66% in Medicare Advantage · 13 Advantage plans with drug coverage

Sources: CMS Medicare Monthly Enrollment, July 2026, and the CMS 2027 plan landscape. Medicare Advantage here includes other Medicare health plans, such as cost plans and PACE. Before you meet any agent, check their Wisconsin license.

Keep reading

• How to find a good Medicare agent near youWhere to look for a local Medicare agent, how to narrow the list to one or two, and the five-minute checks to do before you share anything.
• Medicare Open Enrollment checklist: what to check before December 7A step-by-step checklist for the October 15 to December 7, 2026 Open Enrollment Period: what to read in your plan's letter, what's changing for 2027, what you can switch, and what happens if you do nothing.
• Moving to another state with Medicare: what changes and what to doOriginal Medicare moves with you; most Medicare Advantage and drug plans don't. What happens to each kind of coverage when you move, your window to switch, and why your agent must be licensed in your new state.